What To Do If The Self Test Fails; Tips And Checks To Confirm Correct Optical Loopback - Agilent Technologies J2126A Installation And Verification Manual

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What to Do if the Self Test Fails

Installation and Verification Manual
1 Check all connections to make sure that all the correct
loopback connections are in place and Optical Attenuators
are fitted as required.
2 Be suspicious of any optical interface failures and if
necessary clean all optical connections with a recognized
cleaning kit before retrying the Self Test.
3 If the problem persists then contact your local Agilent
Service Office or representative.

Tips and Checks to Confirm Correct Optical Loopback

• Make sure connectors are located in key/notch of the port
connectors to ensure full insertion.
• Check Transmitter and Receiver are set to the same Signal
Rate and that the correct Laser is On when test is being Run.
• Press <Smart Test>, choose Shortcuts > Optical Power then
press <Select>. Check the Received signal level is in the
Green BER measurement power range.
• Ensure all optical connections are clean and fully connected
with no sharp bends or twists in the optical patch cord.
Check the Optical Cord and Attenuator are not damaged
and/or substitute with equivalent.
Self Test Overview
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